Improvement in processes for refining and bleaching human hair



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i ricicisizre JOHN BENE, 0F BROOKLYN, NEW Z'QRK,

Specification forming part of Letters Patent No. }1@@,5?"fi, dated November 21, 1876; application filed- May 3, 1876.

- To all whomtt may canoe-rm -Be it known that LJOHN BENE, of the city of Brooklyn, inthe county Kings and State of New York, have invented a new and useful Process for Bleaching andRefining Human Hair, which process is fully set forth ziiid dcscrihed in the following specification.

This invention relates to that class of processes employed for bleaching and refining the coarse black human hair, such as is imported from China and Japan, and which, in its natural state, is untit for use or sale in this mar-j ket'. .lhe present process consists-oi a, method of bleaching and refining by the use of certain chemicals, the combination and use of which are varied according to the fixed color that istobe given the hair when finished.

In carrying out my invention, for the purpose of producing from the coarse black hair alluded to it soft hair of a dark-brown hue, I mix-in a vet ofglass or other suitable material four quarts of mnriatic acid and one ounce of chlorate ot' potash, intowhich solution the hair is dipped and retained until the desired fineness and shade or color is obtained.

This process and compound'teuds to there'- finingof the hair in addition tolt he bleaching,

and they give to it a soltapp'ealrance, entirely unlike thehcir in its original stateuj" in order to set the colors obtained by the process, as above detailed, ilpre iiarefa. bath as follows, which may be mi igd in ajny suitable vessel: Four gallons werniii wa'ter, one quart of muria-te of tin, one ounce oi' 'iiisulphitc 0t sodd,--and' four ounces of murietic acid, thebleached hair being immersed in this bath until the colors are lirinly set. As a finishingprocess for removing all nopnrities, I wash the hair in a final bath of water and ammonia-,after which it is spread and dried, when it is ready for market.

The hair, after being manipulated by th process as described, loses all of its original harshness of texture and color; and assumes both fixes or sets the color third, in finally bathing the hair so refined and bleached in a, loath of water and ammonia, which cieansesand removes all'impurities therefroin', tl e component parts of said bziths being iuuthe quan titiessubstantialiy as herein set forth.

, JOHN 'BENE. In presence of--- A. L. MUNSON, I LEWIS WILKINSON.

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